body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    transition: all 0.4s ease-out;
}

.wrapper {
    padding: 20px;
    margin: 20px auto;

    &:nth-of-type(1) {
        background-color: aquamarine;
    }

    &:nth-of-type(2) {
        background-color: purple;
    }
}